European Directory of Marine Environmental Data (EDMED)

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Data set name

Digital version of the Institute of Oceanographic Sciences (IOS) Bathymetric Chart of the N.E. Atlantic (1:2.4 million)

Data holding centreBritish Oceanographic Data Centre
CountryUnited Kingdom  United Kingdom
Time periodNot specified
Geographical area

North East Atlantic (47° N - 64° N, 37° W - 6° E)


Bathymetry and Elevation


Single-beam echosounders


The data set consists of bathymetric contours, at 100m intervals, from a depth of 100m to 5000m. The data were digitised from two charts of the Northeast Atlantic compiled by geoscientists at the Institute of Oceanographic Sciences (IOS), Wormley, Surrey and published by the UK Hydrographic Office, Taunton. Admiralty Chart C6566: Bathymetry of the northeast Atlantic (IOS Sheet 1) - 'Reykjanes Ridge and Rockall Plateau' by A.S. Laughton, D.G. Roberts & P.M. Hunter published in February 1982 and covering the area (47° to 64°N, 13° to 37°W). Admiralty Chart C6567: Bathymetry of the northeast Atlantic (IOS Sheet 2) - 'Continental Margin around the British Isles' by D.G. Roberts, P.M. Hunter & A.S. Laughton published in February 1977 and covering the area (47° to 64°N, 6°E to 18°W). The data set is included in the Centenary Edition of the GEBCO Digital Atlas (GDA) as sheet G.02. Please note that within the GDA data set some areas covered by sheets IOS sheets 1 and 2 have been replaced by higher resolution data sets. Through the GDA software interface the data may be exported in ASCII or shapefile format.

OriginatorsInstitute of Oceanographic Sciences Deacon Laboratory

IOC, IHO, and BODC (2003) 'Centenary Edition of the GEBCO Digital Atlas',

Data web site
OrganisationBritish Oceanographic Data Centre
AvailabilityLicence; distribution cost charge
ContactPolly Hadžiabdić (Head of the BODC Requests Team)

British Oceanographic Data Centre
Joseph Proudman Building 6 Brownlow Street
L3 5DA
United Kingdom

Telephone+44 (0) 151 795 4884
Collating centreBritish Oceanographic Data Centre
Local identifier1048028
Global identifier172
Last revised2010-09-19